How do solar junction boxes work?
With solar systems, you often see a junction box that apparently is necessary equipment for a solar installation.
What is it?
It has diodes inside, right?
Why do you need it?
What is it?
It has diodes inside, right?
Why do you need it?
3
answers
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Answer it!
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Oct 29, 2010. 8:01 AMorksecurity
says:
Websearch for "solar junction box" finds a few manufacturers, some of whom describe what the product is intended to do. No endorsement implied, but one such is
http://www.molex.com/molex/products/family?channel=products&chanName=family&pageTitle=Introduction&key=solar_junction_box_assembly#overview
http://www.molex.com/molex/products/family?channel=products&chanName=family&pageTitle=Introduction&key=solar_junction_box_assembly#overview
Diodes are often used with solar panels to keep the power flow going in one direction, and prevent power from feeding back into the panels in the dark...
. Without seeing what you are talking about, it's difficult to say for sure. The j-box is probably just a good place to wire the sub-assemblies together and/or interface with the "outside world."
. It's probably not 100% necessary, but does keep corrosion at the terminals to a minimum by excluding water.
. It's probably not 100% necessary, but does keep corrosion at the terminals to a minimum by excluding water.
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